Litter Size

How many babies does a Western mouse have at once? (litter size)

How many baby Western mouses are in a litter?

A Western mouse (Pseudomys occidentalis) usually gives birth to around 3 babies.

Upon birth, they weight 1 grams (0 lbs) and measure 19.1 cm (0′ 8″). They are a member of the Muridae family (genus: Pseudomys). An adult Western mouse grows up to a size of 10.2 cm (0′ 5″).

To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.

The average litter size of a Western mouse is 3

The western mouse or walyadji refers to Pseudomys occidentalis, a species of rodent in the family Muridae. Once widespread across a larger range, it has become restricted to around ten reserves of remnant bushland in Southwest Australia and declared near threatened by extinction. They are small and robust mice that live in burrows in sandy soil, venturing out at night to forage in nearby area.

Other animals of the family Muridae

Western mouse is a member of the Muridae, as are these animals:

Animals that share a litter size with Western mouse

Those animals also give birth to 3 babies at once:

Animals with the same weight as a Western mouse

What other animals weight around 34 grams (0.07 lbs)?

Animals with the same size as a Western mouse

Also reaching around 10.2 cm (0′ 5″) in size do these animals: